Plate 41. McBRYDE PLANKTONIC SPECIES 



(All figures X 145) 



Page 



Figures la-c. Globorotalia pseudobulloides (Plum- 192 

 mer) 



la, Spiral view of hypotype (USNM PS72S). 

 lb, Umbilical view. Ic, Edge view. 

 Figures 2a-c. Globigerina triloculinoides Plummer 183 

 2a, Spiral view of hypotype (USNM PS818), 

 showing coarsely pitted surface. 2b, Umbilical 

 view, showing prominent apertural lip. 2c, 

 Edge view. 

 Figure 3. Chiloguemhelina midway ensis (Cushman) 179 



3, Side view of hypotype (USNM PS829), 

 showing aperture directed toward broad side of 

 test, and fine spi.ies on later part of test. 



Figure 4. Chiloguemhelina morsei (Kline) 179 



4, Side view of hypotype (USNM PS85S), 

 showing narrower test than in C. midwayensis. 



Figures Sa-c. Globorotalia compressa (Plummer) 188 



5a, Spiral view of hypotype (USNM PS718). 

 5b, Umbilical view, showing prominent apertural 

 lip. 5c, Edge view. 

 278 



Page 

 Figure 6. Tubitextularia laevigata hoehlich and Tap- 180 

 pan, new species 



6, Side view of holotype (USNM PS820), show- 

 ing early biserial part followed by uniserial stage, 

 and the characteristic smooth surface of the test. 



Figure 7. Tubitextularia alabamensis (Cushman) 180 



7, Side view of hypotype (USNM P5686), 

 showing early biserial part and later cuneate 

 chambers tending to become uniserial, and finely 

 hispid surface. 



Figures 8a-c. Globorotalia perclara Loeblich and 191 

 Tappan, new species 



8a, Spiral view of paratype (USNM PS822). 

 8b, Umbilical view, showing spinose surface. 

 8c, Edge view, showing small aperture. 

 Figures 9a-c. Glohigerinoides daubjergensis (Bron- 184 

 nimann) 



9a, Spiral view of hypotype (USNM PS714) 

 showing prominently spinose wall surface, charac- 

 teristic of this species. 9b, Umbilical view. 9c, 

 Edge view. 



